Page 1.2 PXI PROGRAMMABLE POWER SUPPLY 41-743
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SECTION 1 - TECHNICAL SPECIFICATION
Programmable Power Supply 48 V, 41-743
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Specifications
Specification
Output Voltage
Range:
0 V to 48 V,
0.74 mV nominal resolution.
Output Voltage
Accuracy:
±0.2 % ±25 mV.
Voltage Slew Rate: 1 V/ms nominal at full load
Output Noise: 1.5 mVrms, 6 mV peak to peak, full load,
DC to 1 MHz.
Output Current
Range:
2 A to 20 V, de-rating linearly to
0.8 A at 48 V.
Current Limit: 0 to 2 A, 34 µA nominal resolution.
Current Limit
Accuracy:
±0.5 % of set value ±10 mA.
Voltage Sense: Voltage sense lines compensate for up
to 0.5 V voltage drop (0.25 V for each
connection), can be switched to sense
output voltage on user connector.
Current Monitor: Accuracy: ±0.2 % of reading ±5 mA
Resolution: 35 µA
Voltage Monitor: Accuracy: ±0.1 % of reading ±10 mV
Resolution: 0.74 mV
Isolation Barrier: Designed with ±250 V isolation barrier,
recommended to ±60 V relative to PXI
ground.
>100 MΩ insulation resistance from
voltage outputs to PXI ground.
Trigger Input: Front panel or PXI Trigger Bus.
Permits triggered output changes or
measurements, permits sampled output
measurements at time intervals in
multiple of 100 µs, permits a sequence
of output changes from stored settings.
Minimum trigger width 20 µs.
Front panel trigger input is optically
isolated, maximum input voltage +12 V,
50 mA.
Operating/Storage Conditions
Operating Conditions
Operating Temperature:
Humidity:
Altitude:
0 °C to +55 °C
Up to 90 % non-condensing
5000 m
Storage and Transport Conditions
Storage Temperature:
Humidity:
Altitude:
-20 °C to +75 °C
Up to 90 % non-condensing
15000 m
PXI & CompactPCI Compliance
The module is compliant with the PXI Specification 2.2.
Local Bus, Uses a 33 MHz 32-bit backplane interface.
Safety & CE Compliance
All modules are fully CE compliant and meet
applicable EU directives: Low-voltage safety EN61010-
1:2010, EMC Immunity EN61326-1:2013, Emissions
EN55011:2009+A1:2010.*
Mechanical Characteristics
Dual slot 3U PXI (CompactPCI card).
3D models for all versions in a variety of popular file
formats are available on request.
Connectors
PXI bus via 32-bit P1/J1 backplane connector.
Power supply outputs & sense: 4-pin plug-in screw
terminal block
Trigger Input: SMB coaxial connector.
For pin outs please refer to the operating manual.
41-743 Safe Operational Area
Power Requirements
+3.3 V +5 V +12 V -12 V
750 mA 12 A max
(from 2 slots)
60 mA 0
Current
2.0A
0.8A
Voltage
20V 48V
